Question: For an in control process with subgroup data n

For an in control process with subgroup data n = 3, X-bar = 100, and R-bar = 3.386, compute the percentage of outcomes within specifications if
a. LSL = 98 and USL = 102.
b. LSL = 93 and USL = 107.5.
c. LSL = 93.8 and there is no USL.
d. USL = 110 and there is no LSL.